Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value.
Pound per Gallon to Slug per Liter
Convert pound per gallon (lb/gal) to slug per liter (slug/L) instantly with formula, conversion table, and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Density calculator
Density Converter
Convert pound per gallon (lb/gal) to slug per liter (slug/L) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Slug per Liter (slug/L) expresses mass in slug per unit volume in liter, found by dividing a mass value by a volume value.
slug/L = lb/gal × 0.008211
Results update instantly for Pound per Gallon to Slug per Liter conversions.
Reserved above the conversion cards and below the converter.
Formula
slug/L = lb/gal × 0.008211
lb/gal = slug/L × 121.792023
Conversion table
| 1 lb/gal | 0.008211 slug/L |
| 5 lb/gal | 0.041054 slug/L |
| 10 lb/gal | 0.082107 slug/L |
| 20 lb/gal | 0.164214 slug/L |
| 50 lb/gal | 0.410536 slug/L |
| 100 lb/gal | 0.821072 slug/L |
| 500 lb/gal | 4.105359 slug/L |
| 1000 lb/gal | 8.210718 slug/L |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both pound per gallon and slug per liter measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in pound per gallon by 0.008211 to get slug per liter. To reverse the conversion, multiply a slug per liter value by 121.792023 to get back to pound per gallon.
Frequently asked questions
What is Pound per Gallon (lb/gal)?
Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value.
What is Slug per Liter (slug/L)?
Slug per Liter (slug/L) expresses mass in slug per unit volume in liter, found by dividing a mass value by a volume value.
How do I convert pound per gallon to slug per liter?
Multiply the pound per gallon value by 0.008211 to get the equivalent in slug per liter. For example, 5 lb/gal × 0.008211 = 0.041054 slug/L.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.008211 is an exact, non-rounded value.
Can I convert slug per liter back to pound per gallon?
Yes. Divide the slug per liter value by 0.008211, or multiply it by 121.792023, to get pound per gallon.
Reserved between the FAQ and the article so the page stays balanced.
About converting pound per gallon to slug per liter
Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value. Slug per Liter (slug/L) expresses mass in slug per unit volume in liter, found by dividing a mass value by a volume value.
Use this calculator to move between pound per gallon and slug per liter accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.